Java / Strings

isEmpty()

This non-static method of any String object returns true when length of the String is zero. This method does not check for null and if the string is null then it throws NullPointerException.

Invest now in Acorns!!! 🚀 Join Acorns and get your $5 bonus!

Invest now in Acorns!!! 🚀
Join Acorns and get your $5 bonus!

Earn passively and while sleeping

Acorns is a micro-investing app that automatically invests your "spare change" from daily purchases into diversified, expert-built portfolios of ETFs. It is designed for beginners, allowing you to start investing with as little as $5. The service automates saving and investing. Disclosure: I may receive a referral bonus.

Invest now!!! Get Free equity stock (US, UK only)!

Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.

The Robinhood app makes it easy to trade stocks, crypto and more.

Webull! Receive free stock by signing up using the link: Webull signup.

More Related questions...

String in Java. isEmpty() What is toString() method? Difference between String, StringBuffer and StringBuilder. Is String interning an example of flyweight design pattern? All the String objects created using String literals are stored in String pool? Difference between StringBuffer and StringBuilder. How to create our own immutable class in Java? Other examples of Immutable classes. Can String be referred as a datatype? What is Immutable? Is String is Immutable? How do you create a String object? What is the difference between creating String object using new and String literals? String Interning. Java String Pool. Explain Flyweight Pattern. String Literal in Java. Immutable objects are thread-safe? Overriding toString() example. Why does the default Object.toString() include the hashcode? Why String is often used as key in HashMap? What is String interpolation in Java? How to perform String interpolation? Name the interfaces that Java String class implements. How do I compare strings in Java? Can we use Java String in switch case? Can we have case null in string switch case? Where are the string created with the toString() method in memory? Which design pattern is based on object cloning? Where CloningNotSupportedException starts? (Or) Where object is instanceof Cloneable is checked? What is the default implementation of equals method in Object class.

Show more question and Answers...

Using String

	Interviews Questions Java Spring Hibernate Maven Testing API BigData Web DataStructures Database MuleESB Cloud Scala Tools	About Javapedia.net Javapedia.net is for Java and J2EE developers, technologist and college students who prepare of interview. Also this site includes many practical examples. This site is developed using J2EE technologies by Steve Antony, a senior Developer/lead at one of the logistics based company.
	contact: javatutorials2016[at]gmail[dot]com
Kindly consider donating for maintaining this website. Thanks.
	Copyright © 2026, javapedia.net, all rights reserved. privacy policy.

Java / Strings

isEmpty()

Comments & Discussions

Recently added...